I've been wavering for many years, but I've just finished re-reading The Selfish Gene, followed by The God Delusion. I am now a happy atheist (I suspect I have been for a while, but hadn't got around to admitting it to myself). I'm so chuffed to tell you that on a recent hospital admission form, I entered "none" under religion for the first time; it was so refreshing!
On a slightly separate note, my 9-year-old son recently (and independently) came to the conclusion that "God is as real as Santa". Good lad!
Keep up the good work; I particularly enjoy the Good, the Bad & the Ugly section (esp. the Ugly- what a crowd!)